MagnaFlow 441405 Catalytic Converter

California-Compliant Universal Catalytic Converter

MagnaFlow 441405 is a California Grade universal catalytic converter built for OBDII-equipped vehicles that need a weld-on replacement with CARB compliance. Its 2.25-inch inlet and outlet, stainless steel construction, and ceramic substrate make it a practical choice for emissions repairs on select Ford Ranger, Mazda B3000, and related applications.

The MagnaFlow California OBDII Catalytic Converter line is built for vehicles that require CARB-approved emissions control parts in California and other CARB-restricted states. This universal design gives installers flexibility, but cutting and welding are required for proper fitment.

• CARB-compliant replacement catalytic converter for listed California applications
• Universal fit design for adaptable installation on select exhaust systems
• 2.25-inch inlet and outlet diameter
• Stainless steel body and tube construction for corrosion resistance
• Ceramic substrate material
• Oval clam shell body with attached heat shield
• Weld-on inlet and outlet connections
• No oxygen sensor ports

Fitment and Application Details

Compatible With select 1994-2004 Ford Ranger, Ford Mustang, Ford Crown Victoria, Ford Escape, Lincoln Town Car, Lincoln Continental, Mercury Grand Marquis, Mercury Cougar, Mazda B2300, Mazda B2500, Mazda B3000, and Mazda B4000 applications listed for rear, rear left, rear right, and right center positions. Fits 2004 Ford Ranger, rear. Fits 2003 Ford Mustang, rear left and rear right. Fits 2001-2002 Mazda B3000, rear and right center. Fits 1998-2000 Ford Crown Victoria, rear left and rear right. Part number 441405 is listed for 233 expanded vehicle applications.

• Restores emissions system function after a failed or restricted converter
• Addresses check engine light concerns related to catalyst efficiency on listed OBDII vehicles
• Replaces a damaged or corroded weld-in converter section
• Supports legal emissions repair in California and other CARB-restricted states for listed vehicles
• Helps correct exhaust flow issues caused by a deteriorated converter

Installation Notes and Tips

Installation requires cutting and welding, so confirm pipe diameter, body clearance, and position before beginning the repair. Because this is a universal weld-on converter, verify the vehicle-specific CARB Executive Order and engine family notes in the fitment data before installation. No mounting hardware, gaskets, clamps, hangers, or oxygen sensor ports are included.

Quality Assurance

MagnaFlow 441405 is built with stainless steel construction and a ceramic substrate, and it is engineered to meet or exceed California Air Resources Board requirements for the listed vehicles. The part has also undergone additional testing for CARB guideline compliance for legal use in California and other CARB-restricted states where applicable.